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30403042 = 228435347
BaseRepresentation
bin111001111111…
…0100111100010
32010012122010121
41303332213202
530240344132
63003350454
7516264415
oct163764742
963178117
1030403042
111618628a
12a22242a
1363b6587
144075b7c
152a08497
hex1cfe9e2

30403042 has 8 divisors (see below), whose sum is σ = 45629136. Its totient is φ = 15193332.

The previous prime is 30403039. The next prime is 30403057. The reversal of 30403042 is 24030403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3013 + ... + 8359.

It is an arithmetic number, because the mean of its divisors is an integer number (5703642).

Almost surely, 230403042 is an apocalyptic number.

30403042 is a deficient number, since it is larger than the sum of its proper divisors (15226094).

30403042 is a wasteful number, since it uses less digits than its factorization.

30403042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8192.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 30403042 is about 5513.8953562794. The cubic root of 30403042 is about 312.1085599103.

Adding to 30403042 its reverse (24030403), we get a palindrome (54433445).

The spelling of 30403042 in words is "thirty million, four hundred three thousand, forty-two".

Divisors: 1 2 2843 5347 5686 10694 15201521 30403042